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Diffstat (limited to 'src/engine/events/MoveEvent.cpp')
| -rw-r--r-- | src/engine/events/MoveEvent.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/engine/events/MoveEvent.cpp b/src/engine/events/MoveEvent.cpp new file mode 100644 index 00000000..661bc4c1 --- /dev/null +++ b/src/engine/events/MoveEvent.cpp @@ -0,0 +1,142 @@ +/* This file is part of Ingen. + * Copyright (C) 2007-2009 Dave Robillard <http://drobilla.net> + * + * Ingen is free software; you can redistribute it and/or modify it under the + * terms of the GNU General Public License as published by the Free Software + * Foundation; either version 2 of the License, or (at your option) any later + * version. + * + * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY + * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS + * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "raul/Path.hpp" +#include "ClientBroadcaster.hpp" +#include "Engine.hpp" +#include "NodeImpl.hpp" +#include "EngineStore.hpp" +#include "PatchImpl.hpp" +#include "MoveEvent.hpp" +#include "Responder.hpp" +#include "AudioDriver.hpp" +#include "MidiDriver.hpp" + +using namespace std; +using namespace Raul; + +namespace Ingen { + +using namespace Shared; + + +MoveEvent::MoveEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const Path& path, const Path& new_path) + : QueuedEvent(engine, responder, timestamp) + , _old_path(path) + , _new_path(new_path) + , _parent_patch(NULL) + , _store_iterator(engine.engine_store()->end()) + , _error(NO_ERROR) +{ +} + + +MoveEvent::~MoveEvent() +{ +} + + +void +MoveEvent::pre_process() +{ + if (!_old_path.parent().is_parent_of(_new_path)) { + _error = PARENT_DIFFERS; + QueuedEvent::pre_process(); + return; + } + _store_iterator = _engine.engine_store()->find(_old_path); + if (_store_iterator == _engine.engine_store()->end()) { + _error = OBJECT_NOT_FOUND; + QueuedEvent::pre_process(); + return; + } + + if (_engine.engine_store()->find_object(_new_path)) { + _error = OBJECT_EXISTS; + QueuedEvent::pre_process(); + return; + } + + SharedPtr< Table<Path, SharedPtr<Shared::GraphObject> > > removed + = _engine.engine_store()->remove(_store_iterator); + + assert(removed->size() > 0); + + for (Table<Path, SharedPtr<Shared::GraphObject> >::iterator i = removed->begin(); i != removed->end(); ++i) { + const Path& child_old_path = i->first; + assert(Path::descendant_comparator(_old_path, child_old_path)); + + Path child_new_path; + if (child_old_path == _old_path) + child_new_path = _new_path; + else + child_new_path = Path(_new_path).base() + child_old_path.substr(_old_path.length()+1); + + PtrCast<GraphObjectImpl>(i->second)->set_path(child_new_path); + i->first = child_new_path; + } + + _engine.engine_store()->add(*removed.get()); + + QueuedEvent::pre_process(); +} + + +void +MoveEvent::execute(ProcessContext& context) +{ + QueuedEvent::execute(context); + + SharedPtr<PortImpl> port = PtrCast<PortImpl>(_store_iterator->second); + if (port && port->parent()->parent() == NULL) { + DriverPort* driver_port = NULL; + + if (port->type() == DataType::AUDIO) + driver_port = _engine.audio_driver()->driver_port(_new_path); + else if (port->type() == DataType::EVENT) + driver_port = _engine.midi_driver()->driver_port(_new_path); + + if (driver_port) + driver_port->set_name(_new_path.str()); + } +} + + +void +MoveEvent::post_process() +{ + string msg = "Unable to rename object - "; + + if (_error == NO_ERROR) { + _responder->respond_ok(); + _engine.broadcaster()->send_move(_old_path, _new_path); + } else { + if (_error == OBJECT_EXISTS) + msg.append("Object already exists at ").append(_new_path.str()); + else if (_error == OBJECT_NOT_FOUND) + msg.append("Could not find object ").append(_old_path.str()); + else if (_error == OBJECT_NOT_RENAMABLE) + msg.append(_old_path.str()).append(" is not renamable"); + else if (_error == PARENT_DIFFERS) + msg.append(_new_path.str()).append(" is a child of a different patch"); + + _responder->respond_error(msg); + } +} + + +} // namespace Ingen |